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TABLE 2 ae <br /> SUMMARY OF ANALTYICAL RESULTS FOR TPH,VOCS,AND PAHS IN GRAB GROUNDWATEII am <br /> `( <br /> 990 Beechnut Avenue Property <br /> Tracy, California <br /> Results reported in micrograms per liter(pg/1) <br /> TPHd' BTEX' <br /> Filtered <br /> Boring With Without Silica with Filtered without Ethyl- Total <br /> ID Date Silica Gel Gel Silica Gel Silica Gel TPHg3 Benzene Toluene benzene Xylenes PAHs' <br /> GMX-01 5/7/01 1800 1700 74 330 <506 <0.5 0.5 <0.5 1.5 INaphthalene 0.3 <br /> GMX-04 5/8/01 <50 <50 NA NA <50 <0.5 <0.5 <0.5 <0.5 <0.1 • <br /> GMX-07 5/8/01 <50 89 NA NA <50 <0.5 <0.5 <0.5 <0.5 <0.1 <br /> GMX-12 5/9/01 <50 <50 NA NA <50 <0.5 <0.5 <0.5 <0.5 <0.1 <br /> Notes: <br /> 1 Samples collected by AMEC Geomatrix, Inc.,and analyzed by Friedman&Bruya,Inc.of Seattle,Washington. <br /> 2 TPHd analyzed using EPA Method 8015 Modified. TPHd analysis was performed both with and without a silica gel preparation procedure <br /> (EPA Method 3630). Where indicated,samples were filtered using an 0.7 micron glass fiber filter. <br /> 3 TPHg analyzed using EPA Method 8015 Modified. <br /> 4 BTEX analyzed using EPA Method 8021. <br /> 5 PAHs analyzed using EPA Method 8270 SIM. <br /> 6 <=indicates constituent was not detected at or above the laboratory reporting limit indicated. <br /> Abbreviations: <br /> BTEX=Benzene,toluene,ethylbenzene,total xylenes <br /> NA=not analyzed <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> TPHd=Total petroleum hydrocarbons quantified as diesel <br /> TPHg=Total petroleum hydrocarbons quantified as gasoline <br /> I:\Doc_Safe\6000s\6628.00113000 REPORTS\Excavation Work Plan 8.12.08\2 Tables\Tables 1 through 4 AMEC Geomatrix, Inc. <br />